The Interdisciplinary Center for Marine and Environmental Research (CIIMAR) was founded in 2000 and mobilizes a highly specialized multidisciplinary team that works on the border between innovation and knowledge. CIIMAR’s mission is to promote transdisciplinary research, technological development, and training, contributing to the advancement of scientific knowledge and the sustainability of marine and coastal environments. In ALGAVALOR project, CIIMAR is coordinator of work package 1, in which it contributes through the characterization of bioactivities. CIIMAR also participates in work package 3, producing cyanobacteria and extracting, fractioning, and characterizing phytochemicals, and in work package 5, carrying out bioremediation tests using macrophytes and performing toxicological analysis.